Home / 115,633.27-159,600.58-75,276.74

Finding the Fourth Proportional to 115,633.27, 159,600.58 and 75,276.74

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Solution

The fourth proportional to 115,633.27, 159,600.58 and 75,276.74 is: 103,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,633.27 : 159,600.58 = 75,276.74 : x
  2. Step 2: Convert to fraction form
    115,633.27/159,600.58 = 75,276.74/x
  3. Step 3: Cross multiply
    115,633.27x = 159,600.58 × 75,276.74
  4. Step 4: Simplify right side
    115,633.27x = 12,014,211,575.32
  5. Step 5: Solve for x
    x = 12,014,211,575.32/115,633.27
  6. Step 6: Final answer
    x = 103,899.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.